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3 years ago

Myra multiplies 5 integers. The product is negative. AT LEAST, how many of the integers must be negative?

2 answers:

7 0

1, If 0 are negative the product is positive, but if 2 are negative then answer is still positive. At least 1 but could also be 1,3,5.

KonstantinChe [14]3 years ago

4 0

1, If 0 are negative the product is positive

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Which statement is FALSE?

galina1969 [7]

The first one is incorrect. i’d pick that one.

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2 years ago

The length of a rectangle is the width minus 8 units. The area of the rectangle is 9 units. What is the length, in units, of the

frez [133]

Length of rectangle is 1 unit

Solution: 

Given that

Length of a rectangle is width minus 8 units.

Area of rectangle = 9 square units

Need to calculate the length of rectangle.

Let us assume width of rectangle = x

As Length is width minus 8,

Length of the rectangle = x – 8

$\text{ Area of rectangle }=\text{ width of rectangle }\times \text{ Length of the rectangle }$

$\text{ Area of rectangle }= x\times (x-8)$

$\text { Area of rectangle }=\left(x^{2}-8 x\right)$

As given that area of rectangle = 9 square units

$\begin{array}{l}{\Rightarrow x^{2}-8 x=9} \\\\ {\Rightarrow x^{2}-8 x-9=0}\end{array}$

On solving above quadratic equation for x, we get

$\begin{array}{l}{\Rightarrow x^{2}-9 x+x-9=0} \\\\ {\Rightarrow x(x-9)+1(x-9)=0} \\\\ {\Rightarrow (x-9)(x+1)=0}\end{array}$

When $x-9 =9, x = 9$

When $x + 1 = 0, x = -1$

As width cannot be negative, so considering x = 9

$\text{ Length of rectangle }= x-8 = 9-8 = 1 \text{ unit }$

Hence, Length of rectangle is 1 unit.

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3 years ago

Which of the following equations would not have a solution that is the same as the solution to the system. shown below?

Shtirlitz [24]

Answer:

Step-by-step explanation:

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3 years ago

5 x 1= 5 5x10=50 5x100=500 5x1000= 5000 What pattern do you notice ?

storchak [24]

Adds a zero each time?

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3 years ago

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There are 12 inches in a foot. Find the number of inches in 6 feet

Scrat [10]

Answer:

72 inches

Step-by-step explanation:

12 × 6 = 72

Answer: There are 72 inches in 6 feet

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3 years ago

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